The traditional use of Reishi has been as an adaptogen, helping the body adapt to the stressors of life. Adaptogens are noted for their ability to enhance immune system function. Extensive studies have been carried out on the therapeutic actions of the Reishi mushroom. Reishi is known to have neurological benefits, promoting slow-wave sleep in insomniacs, when taken over a long period of time. It is known to have cardiovascular benefits, and the capacity to lower cholesterol levels, as well as circulatory benefits. It is known as an anti-inflammatory agent and has been used in the treatment of liver problems. Reishi is reputed to "keep the body light and young and to lengthen life."It is indicated for use in treating allergies, chronic bronchitis and aid severe wound healing.